code: def test_read_text_default_encoding(self):
      result = (
          resources.files(self.data)
          .joinpath("utf-8.file")
          .read_text(encoding="utf-8")
      )
      self.assertEqual(result, "Hello, UTF-8 world!\n")
  
imports: import unittest
  from importlib import import_module, resources
  from .None import data01
  from .None import util
label_desc: Use image node_id 2 for calling the ReadTests obj's underlying member method code with example usage: obj.test_read_text_default_encoding() without return types